What is a virus?- Obligate intracellular parasite- Small in size - Additional definitions

o Virus particles are assembled from the components o Require host for Energy

Submicroscopic- if the size is smaller than the wavelengths, theoritcally microbe can’t be seen

under light microsocope- the virus size is usually in nm

sLargest Virus- Pandravirus

o Big and recently foundo Can’t replicate by itself